Qaamuuska Asalka

waagii-baahiyosooik

(waayahii ..., m.l)
MagacLafdheeri

(jool.) Waagii hore ee nolosha, waa kan ugu horreeya saddex qaybood ee waaweyn ee taxanaha waqtiga jiyoolojiyeed (ee ka dambeyay kambiriyan-ka-horreeyaha). Kolkaas oo muddooyinka taariikhda dunida ka mid ah kana horreeyay waagii mesosooigga wuxuu kalabaxsanyahay laga billabo 600 oo milyan ilaa 200 oo milyan oo tagtay.